Moroso Vacuum Relief Valve w/Adjustable Knob -12An Face Seal - 22631

Whether its for a full rebuild or some standard maintenance, the proper engine components are needed to make sure your vehicle is running smooth.

If you are looking to increase the performance of your engine, you may have considered doing a rebuild on the head. Replacing your intake and exhaust valves with an upgraded set of valves is a great way to increase the airflow and performance of your engine. It's recommended to replace your valves with a new set of valve springs and valve stem seals to really let that engine rev.

Moroso Performance Products is one of the worlds most respected suppliers of automotive equipment for racing and street performance applications. Moroso manufactures over 4000 products, from oil pans and oiling systems, to ignition wire, ignition components, valve covers, fuel system equipment, air cleaners, hard-core racing tools, chassis and suspension equipment and numerous other performance parts. The company has an impressive list of customers, ranging from grass-roots racers to top level NASCAR and NHRA/IHRA race teams.

CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov